Experimental, placebo-controlled studies have demonstrated that using subliminal messages to control appetite or smoking have _____ effect on behavior.
A)a slight
B)a powerful
C)a negative
D)no

Question

Quizplus · Accepted Answer

Experimental, placebo-controlled studies have consistently shown that subliminal messages have no significant effect on behavior. Therefore, the correct choice is D - no effect.

Experimental, Placebo-Controlled Studies Have Demonstrated That Using Subliminal Messages to Control